RFID Key Fobs ka se ka donyɔrɔw kɔlɔsi: Sannikɛla ka gafe min be kuma suguw, bɛnbaliya, lakana ani OEM ka sɔrɔyɔrɔw koo la

RFID key fob ye fɛn fitinin ye min tɛ se ka maga mɔgɔ la ani a be ni pupi ni antɛni ye ani a be baarakɛla dɔ lɔn kalankɛla fɛ k’a sɔrɔ a ma maga a la. O hakɛ ka nɔgɔ. Min be sannikɛlaw fanba lasun, o ye fɛɛn o fɛɛn ye min be sɔrɔ a duguma: yala fob bena kuma tiɲɛn na ni kalankɛlaw ye minw sirinin be kogo la ka ban, yala pupi be se ka €30 cloning device kɛlɛ, ani yala feerekɛla dɔ be se ka 5 000 kode kɛ ka ɲɛ sanni u k’u ci. Nin gafe sɛbɛra mɔgɔ minw ye o latigɛliw tigiw ye - IT ani baarakɛyɔrɔw ɲɛmɔgɔw minw be yɛlɛmani dɔ kɛra, ani sannikɛlaw ka jɛnkuluw minw be RFID kilɛw ɲini ka caya.

Fili kelen min sɔngɔ ka gwɛlɛ ka tɛmɛ fili tɔɔw bɛɛ kan, o ye ka komandi kɛ tuma o tuma dɔrɔn. A ka ɲi ka kɛ siɲɛ caaman nka o tɛ bɔri kɛ. Dugumanla la, bɛnbaliya, lakana ani sɔrɔyɔrɔ be jati i n’a fɔ latigɛli saba minw b’a yira tiɲɛn na ni yɛlɛmani dɔ be baara kɛ - ani n’a be kɛ faratiw ka ɲɔgɔndan na.

RFID Key Fob be baara kɛ cogo min na (ani mun na a kɔrɔtanin lo ka sanni kɛ)

Fob min tɛ baara kɛ, batiri tɛ yen. N’a donna kalankɛla ka foro kɔnɔ, antɛni be fanga bɔ o foro kɔnɔ, ka pupi kunu ani pupi be jaabili di. Sisitɛmu jɔnjɔn dɔ kɔnɔ, o jaabili ye tagamasiɲɛ jɔnjɔn dɔrɔn lo ye; sisitɛmu lafiyanin dɔ kɔnɔ fob ni kalankɛla be bololafɛnw minɛ cogo dɔ la min be kɛ ni kiripitogarafi ye sanni fɛɛn sensitive ka yɛlɛma. O kɔ, kuntigi min be kalankɛla kɔfɛ, ale b’o tagamasiɲɛ sɛgɛsɛgɛ n’a ka donyɔrɔ sariyaw ye ani a be da yɛlɛ - wala a be sɔsɔli sɛbɛ.

O kɔlɔlɔ fila be bɔ o la. A fɔlɔ, komi fobs passifs be fanga sɔrɔ kalanbaga fɛ, u ka teli ka saan tan ni kɔ kɛ k’a sɔrɔ u tɛ ladon, o lo kama boonw donyɔrɔ fanba be baara kɛ n’u ye sanni ka baara kɛ ni batiri-powered active tags ye. Filanan, danfara min be "fob be nimero ci" ni "fob b'a yira ko a ye mɔgɔ min ye" cɛ, o ye lakanali maana bɛɛ ye - ani a be latigɛ pupi nivo la, sanni i ka miiri so walima tagamasiɲɛ koo la. N’i ​​b’a fɛ ka fiziki lɔn ka ɲɛ, i ka nin tilannin lajɛ .RFID kilɛw be baara kɛ cogo min na walisa ka se ka donyɔrɔ kɔlɔsi.

Frequency ani chip sifa: Desizɔn min be bɛn ɲɔgɔn ma

Frekansi saba lo be yen ani u tɛ baara kɛ ɲɔgɔn fɛ. 125 kHz kalanbaga tɛ se ka 13,56 MHz fob kalan, ani o cogo kelen na. Bandi kelen kelen bɛɛ kɔnɔ, pupi denbaya ni kumaɲɔgɔnya sariya be bɛnbaliya dɔgɔya tugun.

125 kHz (A ka fɔcogo ka dɔgɔ)

LF kɔrɔla, a sɔngɔ ka gwɛlɛ ani a be yafa nɛgɛ ni kuran ka mankanw lamini na. Chips i n’a fɔ .EM4100 ani TK4100 nɛgɛkunbɛnnanwjateden dɔ bɔ min be se ka kalan-dɔrɔn. O lannaya fana lo ye gwɛlɛya ye: jatiden dɔ min be to ka yɛlɛma ani min tɛ ni kode ye, o be se ka kopi kɛ sekɔndi damanin kɔnɔ ni kopikɛlan dɔ ye min sɔngɔ man gwɛlɛ. LF sugandi dɔrɔn n’i be LF kalanbagaw ɲɔgɔnna minw be yen ka kɔrɔ wala n’i ka yɛlɛmani tɛ i ka siranya modɛli dɔ ye - farikoloɲanagwɛyɔrɔ ka fani donyɔrɔ, i n’a fɔ, kunnafoni diyɔrɔ tɛ.

13,56 MHz (A ka ca a la)

HF ye default ye baara kura o baara la yɔrɔ minw na lakanali ka ɲi. A be mara ISO/IEC 14443 sariya fɛ (ni ISO/IEC 15693 be yɔrɔjan- gɛrɛfɛla yɔrɔw datugu), o lo kama HF ka danbew be baara kɛ ɲɔgɔn fɛ cogo saniyanin na kalankɛlaw cɛma minw be sariyaw labato. Denbaya saba lo be fanga la:

MIFARE kɔrɔman 1K- sigiyɔrɔ belebeleba, sɔngɔ dɔgɔman, ani kun min kama a bele be ci ka caya. Nka a ka Crypto-1 cipher tiɲɛna jama ɲɛfɛ a saan caaman ye nin ye, o kama a ka ɲi ka jati i n’a fɔ nɔgɔya lɔnniya, a kana kɛ lakanali lɔnniya ye. O ye hakiliman ye ka kɛ tɔndenw ye, wari tɛ minw na, walima kɔnɔna daaw yɔrɔ min na clone be mɔgɔ tɔɔrɔ sanni ka kɛ sariya tiɲɛni ye. KELE13,56 MHz MIFARE 1K nɛgɛjuruo koow fanba be kuma o koow la.

MIFARE TAsuma EV3.- ye sisan sɛgɛsɛgɛli ye -lakanali ɲuman sɔrɔli la. Ka kɛɲɛ ni NXP ka DESFire sɛbɛw ye, a be baara kɛ ni AES-128 minɛnw ka sɛrɛkili ye, saba-tɛmɛ ɲɔgɔnna lɔnniya, ani per-aplikasiyɔn kilɛw marali, ani IC be ni Common Criteria EAL chi5+ sɛrɛkili ye min be ban e-ps kelen na ani min be ban kilasi kelen na. A be taga kɔfɛ ni EV2 ani EV1 ye, o min b’a to mɔgɔw be taga yɔrɔ wɛrɛ yɔrɔnin kelen. N’i ​​be gofɛrɛnɛman ka boon dɔ, dɔgɔtɔrɔso furakɛyɔrɔ dɔ wala baarakɛyɔrɔ dɔ lo kofɔra, o lo ye daminɛyɔrɔ ye, yɛlɛmani tɛ min bena jateminɛ kɔfɛ.

NTAG (NFC)- labɛnna telefɔni-kalanɲɔgɔnya kama sanni a ka kɛ gɛlɛya ye. Nafa b’a la ka lonanw ka passeportw, ka fɛɛnw sɛgɛsɛgɛ ani k’u feere, nka a ka dɔgɔ ni daa latanganin ye.

UHF

UHF be kalan kɛ mɛtɛrɛw la, santimɛtiriw tɛ, o lo tigitigi i b’a fɛ paletiw ni mɔbiliw kama ani i t’a fɛ tigitigi da dɔ la, yɔrɔ min na ka mɔgɔ dɔ kalan min be so fila yɔrɔ la, o ye kunkanbaara ye. UHF mara walisa ka nafolo sɛgɛsɛgɛ ani ka daa/mobili lɔn.

N’i ​​be bandiw suma sɔngɔ bɛɛ kan sanni ka stikɛri sɔngɔ suma, o sangali min be kɛ 125 kHz ni 13,56 MHz ka sɔngɔw cɛ, o ye teri nafaman ye, i n’a fɔ a be cogo min na .ka frekansi ɲuman sugandi RFID kilɛw kama.

Bɛnbaliya sɛgɛsɛgɛri lisi Mɔgɔ si tɛ boli fɔɔ ka taga se wagati ma

Komandi minw ma se ka kɛ, u fanba sababu ye kelen ye: sanbaga tun be ɲɔgɔn sɔsɔ siɲɛ caaman ani a tun be tɔɔw ta. O la, fɛɛn naani ka kan ka - ka ɲɔgɔndan, kumaɲɔgɔnya sariya, pupi denbaya, ani dannaya cogoya (UID, baarakɛyɔrɔ ka kode, walima porogaramu min be ni sɛrɛkili ye). HID Prox kalanbaga dɔ bena ban 125 kHz EM4100 fob la hali n’u fila bɛɛ ye “125 kHz” ye, sabu u cogoya tɛ kelen ye. Sanni i ka fɛɛn caaman komandi, i ka baara kɛ ni nin ye:

• Kalankɛla ka modɛli lɔn.I ka sɛbɛri kalan kalankɛlan dɔ kan min be i ka ɔridinatɛri kɔnɔ wala i ka pankurun sɛbɛw lajɛ. Marki ni porogaramu fitinin yɛlɛmani fila bɛɛ kɔrɔtanin lo - kalanbaga dɔw be sɔn DESFire ka lakanali porogaramu min ka bon - dɔrɔn lozisiyɛli fitinin kurakurayali kɔ.
• Baarakɛsɛbɛ dɔ sɛgɛsɛgɛ min be yen ka kɔrɔ.Tagamasiɲɛ minw sɛbɛra, wala n’u y’u sɛgɛsɛgɛ joona joona ni bana sɛgɛsɛgɛrikɛlan ye, u ka teli ka pupi sifa n’a cogoya yira.
• A’ y’a fɔcogo sɛgɛsɛgɛ, a kana pupi dɔrɔn lo sɛgɛsɛgɛ.A ɲininga n’o sisitɛmu b’a yɛrɛ sɛgɛsɛgɛ UID kan, baarakɛyɔrɔ ka kode kan wala porogramu dɔ kan min be ni kilɛ kɛrɛnkɛrɛnninw ye.
• Aw ka ɲɛyirali dɔ ɲini ani k’a sɛgɛsɛgɛ aw ka kalankɛlaw kan.Nin yɔrɔ kelen nin be -sɛgɛsɛgɛlibaw bɛɛ bali.
• A’ ye kilɛ tigiw ɲɛfɔ ka gwɛ.DESFire ani sisitɛmu wɛrɛ minw be ni kode ye, a’ y’a latigɛ jɔn lo be ni master keys ye ani u bena yɛlɛma cogo min na sanni u ka dilan, u tɛ dilan o kɔ.

Ni i be kalankɛlaw bɔnsɔn fila ɲɔgɔn minɛna yɛlɛmani dɔ wagati la, a .fila-frekansi kilɛ fobmin be ni LF ni HF chip fila bɛɛ ye, o b’a to danbe kelen be da kɔrɔw ni da kuraw dayɛlɛ yɔrɔnin kelen - tuma caaman na, danfara min be wikɛni tigɛli ni kalo paralɛli sisitɛmu cɛ. HID laminiw kama kɛrɛnkɛrɛnnin na, sɛbɛnin nin be sɔrɔ .ka HID Prox- ka danbew komandia be formati details kofɔ minw be mɔgɔw minɛ.

RFID ni NFC: kelen ye dɔ wɛrɛ ka yɔrɔ dɔ ye

NFC tɛ fɛɛrɛ ye min be RFID - kɛlɛ a ye 13.56 MHz HF RFID yɔrɔ kɛrɛnkɛrɛnnin dɔ ye min be kumaɲɔgɔnya sira fila fara a kan, o min b’a to telefɔni be kɛ i n’a fɔ kalankɛla walima i n’a fɔ danbe. NFC minɛn bɛɛ be baara kɛ ni RFID sariyakolow ye; RFID sisitɛmu bɛɛ tɛ NFC fɔ.

O danfara lo b’a yira ni telefɔniw be se ka fobw nɔɔ ta i ka boon kɔnɔ. Android ka Host Card Emulation ani Apple ka Wallet-basiginin ka danbew fila bɛɛ be se ka baara kɛ i n’a fɔ donyɔrɔ kilɛw, nka n’a kalanbaga, donyɔrɔ-kɔlɔsili porogramu ani danbe-dicogo bɛɛ b’a dɛmɛ. Legacy LF kalanbagaw tɛ se ka baara kɛ ni telefɔni ye fewu. Tiɲɛn na, jɛnkulu fanba be baara fila nunu lo kɛ: fobs encryptés baarakɛlaw ni kontratigiw kama, mobili lɔnniya minw be bila sanfɛ yɔrɔ min na kalankɛlaw ka kurun b’u dɛmɛ. A bɛɛ tilannin lo gafe nin kɔnɔ ka taga .danfara min be RFID ni NFC cɛ.

Klonasiyɔn ani lakanali: Mun lo be se ka kopi kɛ tiɲɛn na

"A bi se ka klon wa?" jaabili hɔɔrɔn saba b’a la ka kɛɲɛ ni pupi ye:

• Fɛɛn gwansanw be se ka ladon- UID LF sɛrɛkiliw (EM4100, TK4100) ani UID sɛrɛkiliw dɔrɔn minw ma sɛrɛkili la. Kopikɛlan min be minɛ bolo la, ale b’o kɛ yɔrɔnin kelen.
• A be se ka yɛlɛma ni jijali ye- MIFARE ka lɔnniya. Crypto-1 ka barikantanyaw be sɔrɔ bɛɛ ɲɛɛ na, o kama, mɔgɔ min b’a fɛ ka kɛlɛ kɛ ni minan ɲumanw ye, ale be se ka kilɛw sɔrɔ.
• A dilanna walisa a kana se ka mɔgɔw ladegi- DESFire EV3 ani AES-basigilen lɔnniya wɛrɛw, minw be basigi ɲɔgɔn dannatigɛli kan, sesiyɔn yɛlɛmayɛlɛma kilɛw, ani per-dannaya kilɛ suguya caaman kan walisa ka fob kelen tiɲɛ, o kana sisitɛmu tiɲɛ.

O la, mɔgɔw ka miiriya min b’a fɔ ko “RFID o RFID be se ka kopi kɛ ni telefɔni ye” o be NTAG tagamasiɲɛ dayɛlɛnin kalanni ni kiripitogarafi ka lɔnniya kɛlɛli ɲagami ɲɔgɔn na. Telefɔni be se ka NFC tagamasiɲɛ gwansan ladegi; a tɛ se ka DESFire bololabɔli labɛn. Ka furakɛli dafanin sɔrɔ farati modɛli koo la, i ka 2019 ka sɛgɛsɛgɛri nin lajɛ.RFID ka kunnafoniw lakanani.

Chip sugandili ye lakanali tilancɛ dɔrɔn lo ye, nka. Sisitɛmu dilan cogo be tɔɔw ta:

• Wiegand ka juru kɔrɔw yɛlɛma ni .OSDP, min be kalankɛla-ni -kɔlɔsibaga ka kumaɲɔgɔnya dɛmɛ ni sɛrɛkiliw ye, minw be kɔlɔsi.
• Ɲɛcidanfara jɔnjɔno la, danbe kelen kelen bɛɛ be kilɛ kelenpe dɔ sɔrɔ kilɛba dɔ la.
• Nɔrɔlɔyɔrɔ-basiginin be yamaruyaw kan. NIST lɔyɔrɔ-Based Access Control modɛli - an ANSI/INCITS sariya - ye baarakɛyɔrɔw fanba be tugu min kɔ, ani a be karitiw yira cogo saniyanin na boonw be donyɔrɔ di cogo min na baarakɛyɔrɔw fɛ.
• Bolisɛgɛsɛgɛri minw be kɛ tuma o tuma: ka sɛbɛw lajɛ, ka lɔnniya minw ma baara kɛ n’u ye, u bɔ yen, ka kilɛw yɛlɛma ani ka kalankɛla ka porogramu fitinin to a ka baara la.
•  

Tagama yɛrɛ yɛrɛ, a daminɛ na ka taga a laban na

O misaliya min be duguma, o ye biro dɔ ka misaliya ye min be LF kalanbaga kɔrɔw bɔ, ani a b’a yira fɛɛn min kama latigɛli fɔlɔw be ɲɔgɔn sɔsɔ.

So min be baara kɛ ni 125 kHz EM4100 fobs ye, o y’a latigɛ k’a labɛn ka ɲɛ tuma min na luwanse dɔ y’a fɔ ko a ye mɔgɔw ka lɔnniya sɛbɛ fila bɔ. Sanni u ka fɛɛn bɛɛ falen yɔrɔnin kelen, u be DESFire EV3-kalankɛlaw sigi yɔrɔ kelen kelen ani u be fobs fila -bɔ minw be se ka yɛlɛma yɛlɛma walisa baarakɛlaw ka se ka lɔnniya kelen mara wagati bɛɛ la. Master keys be bɔ ani ka minɛ sannikɛla fɛ, u be yɛlɛma yɛlɛma fob kelen kelen bɛɛ la ani u be don u la izini kɔnɔ sanni u k’u ci. Kalankɛlaw be taga OSDP la komi etazi kelen kelen bɛɛ be tigɛra. LF dɔrɔn lo kɔrɔw be to ka baara kɛ fob kelen kan fɔɔ ka taga se kalankɛla laban ma, o wagati la LF baara be dabila dɔrɔn lozisiyɛliw kɔnɔ. Ladilikanw bɔko kura tɛ, lobby lɔgɔkun tɛ.

O misaliya min be duguma, o ye biro dɔ ka misaliya ye min be LF kalanbaga kɔrɔw bɔ, ani a b’a yira fɛɛn min kama latigɛli fɔlɔw be ɲɔgɔn sɔsɔ.

So min be baara kɛ ni 125 kHz EM4100 fobs ye, o y’a latigɛ k’a labɛn ka ɲɛ tuma min na luwanse dɔ y’a fɔ ko a ye mɔgɔw ka lɔnniya sɛbɛ fila bɔ. Sanni u ka fɛɛn bɛɛ falen yɔrɔnin kelen, u be DESFire EV3-kalankɛlaw sigi yɔrɔ kelen kelen ani u be fobs fila -bɔ minw be se ka yɛlɛma yɛlɛma walisa baarakɛlaw ka se ka lɔnniya kelen mara wagati bɛɛ la. Master keys be bɔ ani ka minɛ sannikɛla fɛ, u be yɛlɛma yɛlɛma fob kelen kelen bɛɛ la ani u be don u la izini kɔnɔ sanni u k’u ci. Kalankɛlaw be taga OSDP la komi etazi kelen kelen bɛɛ be tigɛra. LF dɔrɔn lo kɔrɔw be to ka baara kɛ fob kelen kan fɔɔ ka taga se kalankɛla laban ma, o wagati la LF baara be dabila dɔrɔn lozisiyɛliw kɔnɔ. Ladilikanw bɔko kura tɛ, lobby lɔgɔkun tɛ.

O tɛ - tagamasiɲɛ kɛrɛnkɛrɛnnin ye, o ye ko yɔrɔnin kelen, kile-minɛ, fila-frekansi fɛɛrɛ be yɛlɛmani don rip-ni -replace min be mɔgɔw tiɲɛ ka kɛ baara ye min be kɛ kɔfɛ. O labɛn be se ka kɛ dɔrɔn sabu nɛgɛjuru (DESFire) ani nɛgɛjuru (dual-frequency) sugandira ni tagama ye hakili la.

Sow ni minanw: Aw ka bɛn ni lamini ye, aw kana bɛn ni katalogu ye .

So man teli ka yɛlɛma kalan hakɛ la, nka a b’a latigɛ fob be se ka to wagati min na. O pupi ni antɛni be baara kɛ; a ka fanikolon be mɛɛn.

Ka ɲɛsin cogoya gwɛlɛw ma, IP67/IP68 ka tagamasiɲɛ yira, −25 degere ka taga se +85 degere ma, ani UV ka se ka UV kɛlɛ fɛɛn o fɛɛn na min tora kɛnɛma. Kɛrɛfɛ-ni-kɛrɛn fila minw ka ca, o datugunin lo nin kɔnɔ .ABS ni epoxy kile fob sangali. Yɔrɔ minw na yecogo be sɔrɔ kuma surun dɔ kɔnɔ, a .RFID kilɛ min be kɛ ni golo yewalima ayiri eco-teriman kile foba be tagamasiɲɛ dɔ ta min ka fisa ni ABS min dilanna.

Porogramu: Cogo saba minw be se ka Fob kode

"Programme" kɔrɔ ye ka mɔgɔ ka tagamasiɲɛ, a kilɛw, walima a ka se ka don yɔrɔ min na, o sɛbɛ ka don pupi kɔnɔ. I b’o kɛ cogo min na, o be bɔ a hakɛ n’a lakanali la:

1. Izini ka kɔn-kodi.O fɛɛn feerebaga be UID wala a ka lɔnniyakow sɛbɛ sanni k’a ci. A ka teli ka tɛmɛ yɛlɛmanibaw ni lotɛli sisitɛmuw kan; baarakɛminan si mako tɛ site web kan.
2. -yɔrɔ ka kode.I be mɔgɔw ka lɔnniya sɛbɛw di ni USB sɛbɛrikɛlan dɔ ye wala access panel ka porogramu dɔ ye min be mɔgɔ tɔgɔ sɛbɛ. A ka fisa n’i ka baara be to ka yɛlɛma ani n’i b’a fɛ k’i yɛrɛ ɲɛminɛ.
3. Lakanali kilɛ pikiri.DESFire ani AES sisitɛmuw ta fan fɛ, encryption keys ani applicationw be di cogo dɔ la min be kɔrɔsi, tuma caaman na izini kɔnɔ, o kama, mɔgɔw tɛ se ka lɔnniya sɛbɛw lakali n’u ma yamaruya sɔrɔ.

Ka ɲɛsin volume komandiw ma, aw ka bɛn ni fɛɛn nafamanw ye minw be sɔrɔ ɲɛfɛ: kodew kɛcogo, filiw ɲɛnabɔcogo, UID kelenpe, kunnafoniw marayɔrɔw ka sinsinni ani sɛgɛsɛgɛri sɛbɛw. O la, baarakɛyɔrɔw ka teli ka kodew don u ka HR wala u ka identité système kɔnɔ o la, onboarding ani outboarding bolifɛnw ka lɔnniya cogoya be sɔrɔ u yɛrɛ ma.

Ɲɛyirali minw ka teli ka kɛ

Birow be dondaw, yɛlɛyɛlɛnanw, dugukolow ani bolifɛnw lɔyɔrɔw mara yɔrɔ kelen na, u be joow kurakuraya k’a sɔrɔ u ma maga minanw na. Lotɛliw be lɔnniya sɛbɛw di minw be ban wari saratuma na - o baarakɛcogo ɲɛfɔra nin yɔrɔ la saan 2019 la.lotɛli kile karitiw be baara kɛ cogo min na. Dɔgɔtɔrɔsow be furakɛyɔrɔw, laboratuwariw ani sɛbɛw datugu ni lɔyɔrɔ-basigininw ye walisa ka sariyaw labato. Kalansoba be donyɔrɔ, biblotɛki, tagama ani wari sarali fara ɲɔgɔn kan ka kɛ sɛbɛ kelen ye. Liziniyɔrɔw be faratiyɔrɔw ni baarakɛminanw marayɔrɔw datugu ka kɛɲɛ ni lɔyɔrɔw n’u ka yɛlɛmaniw ye. O koo bɛɛ la, mɔgɔw be se ka min kɛ, o ye kelen ye: i ka pupi sugandi ka ɲɛsin farati hakɛ ma, o kɔ, i ka porogramu to a ka tɔɔw ɲɛnabɔ.

Sanni ani OEM sɔrɔyɔrɔ

Sɔngɔ ye fɛɛn laban ye min ka ɲi ka yɛlɛma, fɔlɔ tɛ. Baara kɛ ka kɛɲɛ ni laɲinitaw ye, o kɔ, chip, o kɔ, customisation, o kɔ, supplier.

Chip sugandili ka kɛɲɛ ni lakana hakɛ ye

• Kadɔgɔ(Siyɔrɔ, bolifɛnw lɔyɔrɔ): EM4100 / TK4100 / HID Prox.
• Hakɛ(birow, lakɔlisow, farikoloɲanagwɛyɔrɔw): MIFARE Klasiki 1K wala NTAG.
• Gongolima(wariko, kɛnɛyako, gɔfɛrɛnaman): DESFire EV3 ni AES ani ɲɔgɔndɛmɛ.
•  

Ka kɛɲɛ ni mɔgɔ sago ye (OEM/ODM)

Sannikɛlaw man teli ka fɛn wɛrɛw ɲini. Sugandili minw ka teli ka kɛ, olu ye laser walima siliki-screen logo sɛbɛri ye, UID kode ani pre-porogaramu, nimero, ɲɛgɛnw ni modɛliw, ani QR/barcode donɲɔgɔnna - o bɛɛ be tagamasiɲɛw dɛmɛ, ka nafolo sɛgɛsɛgɛ ani ka -galonw kɛlɛ. Scope nunu ni feerekɛla dɔ ka .OEM/ODM sekowsanni k’o kɛ.

MOQ, ɲɛminɛ wagati, ani sɛgɛsɛgɛri

100–500 pcs, OEM 500–3,000 pcs, ani 5,000+ pcs, ani sɔngɔ min be dɔgɔya kosɔbɛ, o be dɔgɔya. O wagati be se ka kɛ tile 2–5 ɲɔgɔn ye min be sɔrɔ fɛnw na, tile 7–15 ye OEM ka baarakɛminanw kama ani tile 15–30+ ka baarakɛminanw dilan; a ka buffer lɔ ka ɲɛsin misaliyaw ma ani ka kodew sɛgɛsɛgɛ. Ni aw be feerekɛla dɔ sɛgɛsɛgɛra, aw k’a sɛgɛsɛgɛ ko fɛnɲɛnamafagalanw (NXP, HID) lakiikaw (NXP, HID), kodɛw ani bɛnkanw -sɛgɛsɛgɛri dɛmɛ, ISO/CE/RoHS seereyali, ani - min tɛ se ka ɲɔgɔn sɔsɔ - fɛnɲɛnamafagalan farikoloman dɔ la sanni aw k’a dilan ka caya.

kuma laban

Sugandili kɛ i ka farati hakɛ yɛrɛ yɛrɛ la, i ka bɛnkan sɛgɛsɛgɛ n’i ka kalankɛlaw yɛrɛ yɛrɛ ye sanni i ka komandi kɛ ni sɛgɛsɛgɛri ye, ani ka encryption, OSDP, key diversification, ani role-based permissions minɛ i n’a fɔ sisitɛmu kelen sanni ka kɛ sugandili naani ye. Site minw lakananin lo kosɔbɛ, DESFire EV3 ka fara kile-min kan, yɛlɛmani sira min be kɛ yɔrɔnin kelen, o lo ye jaabili barikaman ye. Fɛɛn tɔw bɛɛ - so, ɲɛgɛn, tagamasiɲɛ - be duguma ka se ka o latigɛli saba nunu tiɲɛ.

N’i ​​b’a fɛ ka fɛɛn dɔ labɛn wala k’a san ka caya, n’i y’a filɛ n’a be bɛn n’a ye ani n’i y’a sɛgɛsɛgɛ ka sɔrɔ k’a dilan, o bena wari caaman bɔ i ka wari hakɛ la. I be se ka sɛgɛsɛgɛri dɔ ɲini wala ka sɔngɔ dɔ sara walisa k’a lɔn n’i ka fobs be bɛn n’i ka sisitɛmu ye sanni fɛɛn o fɛɛn ka don baarakɛminanw na.

Ɲiningali

Yala RFID key fob be se ka baara kɛ ni kalankɛla dɔ ye wa?

Ɔn ɔn, siɲɛ caaman, kumaɲɔgɔnya sariya, pupi denbaya ani lannaya sɛbɛw cogoya bɛɛ ka ɲi ka bɛn ɲɔgɔn ma. Fob fila minw be weele ko "125 kHz" be se ka bɛn ɲɔgɔn ma hali bi n’u cogoya tɛ kelen ye.

RFID kilɛ juman lo latanganin lo ka tɛmɛ tɔɔw bɛɛ kan?

MIFARE DESFire EV3 ni AES-128 ani ɲɔgɔndɛmɛ ye sisan lakanali ɲuman sɛgɛsɛgɛli ye, min be ni EAL5+ sɛbɛ ye min be se ka suma ni banki ka sɛrɛkiliw ye.

Yala RFID kilɛw be se ka yɛlɛma wa?

Fixed-UID LF fobs be se ka yɛlɛma nɔgɔya la, MIFARE Classic be se ka yɛlɛma ni jijali ye, ani DESFire/AES ka danbew be dilan kɛrɛnkɛrɛnnin na ka se k’a kɛlɛ.

Yala RFID ka kilɛw mako be batiriw la wa?

Ɔn ɔn, fob minw tɛ baara kɛ, olu be fanga bɔ kalankɛla ka yɔrɔ la ani u ka teli ka saan tan wala saan caaman kɛ.

Yala telefɔni ɲuman be se ka kilɛri nɔɔ ta wa?

Waati waati. NFC telefɔniw be se ka kɛ i n’a fɔ danbew yɔrɔ min na kalankɛla ni porogramu b’a dɛmɛ, nka LF sisitɛmu kɔrɔw tɛ se ka baara kɛ ni telefɔniw ye fewu. Site caaman be baara kɛ n’o fila bɛɛ ye.

Ni fob dɔ tununa, n’ ka ɲi ka mun lo kɛ?

A lakali, k’a datugu sisitɛmu kɔnɔ joona joona - yɛlɛmani si tɛ dakun na - ka yɛlɛmani dɔ bɔ min be sɔrɔ yɔrɔ wɛrɛw la, ani ka donyɔrɔ sɛbɛw lajɛ wagati min nɔɔna.

MOQ ani wagati min be kɛ ka mɔgɔw ladon, o ye mun lo ye?

OEM ka komandiw ka teli ka daminɛ 500–3,000 pcs ɲɔgɔn na ani tile 7–15 ka baara wagati; mɔgɔw ka faniw mako be hakɛ caaman na ani baarakɛminanw wagati jan na. Tuma bɛɛ, i ka ɲɛyirali dɔ ɲini fɔlɔ.